Overview
Enviro Test Construct high precision handheld multi gas detector is a united gas detector measuring maximum four (4) gases, to protect the disasters caused by the o2 deficiency, toxic gas poisoning and combustible gas explosion. it measures continuously a maximum of four gases of combustible gas, o2 and toxic gases, and displays their concentrations. Once the risk occurs, it also raises the alarm (visual, audible and vibrate). By adopting interchangeable smart sensor module, it can be made for detecting 2 gases, 3 gases and 4 gases.
Features
- Interchangeable smart sensor module
- Intrinsically safe
- MOS, catalytic, electrochemical, infrared, PID sensors selectable
- Built-in sampling pump (optional)
- Visual, audible and vibrate alarm
- Adjustable alarm levels and span calibration value
- STEL and TWA alarm for toxic gases
- Password management
- Real-time clock
- Self-test after power on
- Self-diagnostic and self-correction function
- GPS, GPRS and man down function (optional)
Technical Specifications
| Sampling method | Natural Diffusion or Built-in Pump |
| Sensor type | MOS, Catalytic, Infrared, Electrochemical & Pid |
| Alarm sound | ≥ 85 dB at 1 m |
| Working time | ≥ 30 h (Non-Alarm Status) |
| Power source | Lithium Battery |
| Alarm method | Visual/Audible/Vibrating Alarm |
| Charging time | 4 h to 6 h |
| Ingress protection | IP66 |
| Precision | ≤ ± 3 % F.S. |
| Signal output | High-speed data transmission by USB, available for data downloading and printing(optional) |
| Response time | ≤ 10 S |
| Recovery time | ≤ 10 S |
| Repeatability | ≤ ± 1 % |
| Linearity error | ≤ ± 1 % |
| Zero shift | ≤ ± 1 % (F.S/year) |
| Display | LCD Display |
| Working humidity | 0 % RH to 95 % RH |
| Alarm mode | Sound, light, vibration |
| Working temperature | – 4 °F to 122 °F (- 20 ℃ to 50 ℃) |
| Size | 5.7 in x 2.99 in x 1.45 in (147 mm x 76 mm x 37 mm) |
| Weight | 0.77 lb (0.35 kg) |
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